10-12
Netra T4 AC100/DC100 Service and System Reference Manual • August 2001
SBC is composed of a Sun CrossBar Interconnect interface block and two leaf blocks
(the UPA64S leaf block is not used in the Netra T4 system):
■
PCI A leaf block
■
PCI B leaf block
The following figure depicts the micro architecture of the SBC ASIC:
FIGURE 10-7
SBC Block Diagram
Data Access
Command
DMA FSM
PIO FSM
Merge Buffer
UPA64S
Misc/
Arb
JTAG
PBM
MDU
STC
MMU
CTRL
PCI-B
Leaf
5
PBM
MDU
STC
MMU
CTRL
PCI-A
Leaf
Leaf
Ctrl
10 MHz
150 MHz
66 MHz
64-bit, 33 MHz PCI, 6 devices 64-bit, 66/33 MHz EPCI, 2/4 devices
IChip
7
JTAG
Data/ECC
Address
Arb/Or
72
Ctrl
Clocks/Misc
Sun Crossbar
Interconnect
Interface
Block
(not
used)
Содержание Netra T4 AC100
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Страница 25: ...PART I Service...
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Страница 107: ...Chapter 6 Power Subassemblies 6 9 FIGURE 6 3 System Switch and LED Assembly...
Страница 114: ...7 6 Netra T4 AC100 DC100 Service and System Reference Manual August 2001 FIGURE 7 3 CPU Fan...
Страница 116: ...7 8 Netra T4 AC100 DC100 Service and System Reference Manual August 2001 FIGURE 7 4 Fan Connectors...
Страница 123: ...Chapter 8 Storage Devices 8 7 FIGURE 8 2 FC AL Backplane and Drive Bay Assembly...
Страница 133: ...Chapter 9 Motherboard and Component Replacement 9 5 FIGURE 9 2 CPU Modules...
Страница 136: ...9 8 Netra T4 AC100 DC100 Service and System Reference Manual August 2001 FIGURE 9 3 Using the Torque Tool STOP...
Страница 153: ...PART II System Reference...
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